Solve the problem.A person standing close to the edge on top of a 128-foot building throws a baseball vertically upward. The quadratic function 
models the ball's height above the ground, 
in feet, t seconds after it was thrown. How many seconds does it take until the ball finally hits the ground? Round to the nearest tenth of a second if necessary.
A. 5.5 sec
B. 1.5 sec
C. 2 sec
D. 192 sec
Answer: A
Mathematics
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Write out the sum. Do not evaluate.
A. 1 + 2 + 7 + 12 + 17 + 22 B. 60 C. 2 + 7 + 12 + 17 + 22 + 27 + ... D. 2 + 7 + 12 + 17 + 22 + 27
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Solve the equation.-35 - 5x = 7 + 2x
A. {-6} B. {6} C. {5} D. {-5}
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Solve.
- 
= 
A. - 
B. 
C. 
D. 6
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Find the domain of the rational expression.
A. 
B. All real numbers
C. 
D. 
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